focusobserver.js 5.5 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals document */
  6. import FocusObserver from '../../../src/view/observer/focusobserver';
  7. import View from '../../../src/view/view';
  8. import createViewRoot from '../_utils/createroot';
  9. import { setData } from '../../../src/dev-utils/view';
  10. describe( 'FocusObserver', () => {
  11. let view, viewDocument, observer;
  12. beforeEach( () => {
  13. view = new View();
  14. viewDocument = view.document;
  15. observer = view.getObserver( FocusObserver );
  16. } );
  17. afterEach( () => {
  18. view.destroy();
  19. } );
  20. it( 'should define domEventType', () => {
  21. expect( observer.domEventType ).to.deep.equal( [ 'focus', 'blur' ] );
  22. } );
  23. it( 'should use capturing phase', () => {
  24. expect( observer.useCapture ).to.be.true;
  25. } );
  26. describe( 'onDomEvent', () => {
  27. it( 'should fire focus with the right event data', () => {
  28. const spy = sinon.spy();
  29. viewDocument.on( 'focus', spy );
  30. observer.onDomEvent( { type: 'focus', target: document.body } );
  31. expect( spy.calledOnce ).to.be.true;
  32. const data = spy.args[ 0 ][ 1 ];
  33. expect( data.domTarget ).to.equal( document.body );
  34. } );
  35. it( 'should fire blur with the right event data', () => {
  36. const spy = sinon.spy();
  37. viewDocument.on( 'blur', spy );
  38. observer.onDomEvent( { type: 'blur', target: document.body } );
  39. expect( spy.calledOnce ).to.be.true;
  40. const data = spy.args[ 0 ][ 1 ];
  41. expect( data.domTarget ).to.equal( document.body );
  42. } );
  43. it( 'should render document after blurring', () => {
  44. const renderSpy = sinon.spy( view, 'render' );
  45. observer.onDomEvent( { type: 'blur', target: document.body } );
  46. sinon.assert.calledOnce( renderSpy );
  47. } );
  48. } );
  49. describe( 'handle isFocused property of the document', () => {
  50. let domMain, domHeader, viewMain;
  51. beforeEach( () => {
  52. domMain = document.createElement( 'div' );
  53. domHeader = document.createElement( 'h1' );
  54. viewMain = createViewRoot( viewDocument );
  55. view.attachDomRoot( domMain );
  56. } );
  57. it( 'should set isFocused to true on focus', () => {
  58. observer.onDomEvent( { type: 'focus', target: domMain } );
  59. expect( viewDocument.isFocused ).to.equal( true );
  60. } );
  61. it( 'should set isFocused to false on blur', () => {
  62. observer.onDomEvent( { type: 'focus', target: domMain } );
  63. expect( viewDocument.isFocused ).to.equal( true );
  64. observer.onDomEvent( { type: 'blur', target: domMain } );
  65. expect( viewDocument.isFocused ).to.be.false;
  66. } );
  67. it( 'should set isFocused to false on blur when selection in same editable', () => {
  68. view.change( writer => {
  69. writer.setSelection( viewMain, 0 );
  70. } );
  71. observer.onDomEvent( { type: 'focus', target: domMain } );
  72. expect( viewDocument.isFocused ).to.equal( true );
  73. observer.onDomEvent( { type: 'blur', target: domMain } );
  74. expect( viewDocument.isFocused ).to.be.false;
  75. } );
  76. it( 'should not set isFocused to false on blur when it is fired on other editable', () => {
  77. view.change( writer => {
  78. writer.setSelection( viewMain, 0 );
  79. } );
  80. observer.onDomEvent( { type: 'focus', target: domMain } );
  81. expect( viewDocument.isFocused ).to.equal( true );
  82. observer.onDomEvent( { type: 'blur', target: domHeader } );
  83. expect( viewDocument.isFocused ).to.be.true;
  84. } );
  85. it( 'should delay rendering by 50ms', () => {
  86. const renderSpy = sinon.spy( view, 'render' );
  87. const clock = sinon.useFakeTimers();
  88. observer.onDomEvent( { type: 'focus', target: domMain } );
  89. sinon.assert.notCalled( renderSpy );
  90. clock.tick( 50 );
  91. sinon.assert.called( renderSpy );
  92. clock.restore();
  93. } );
  94. it( 'should not call render if destroyed', () => {
  95. const renderSpy = sinon.spy( view, 'render' );
  96. const clock = sinon.useFakeTimers();
  97. observer.onDomEvent( { type: 'focus', target: domMain } );
  98. sinon.assert.notCalled( renderSpy );
  99. observer.destroy();
  100. clock.tick( 50 );
  101. sinon.assert.notCalled( renderSpy );
  102. clock.restore();
  103. } );
  104. } );
  105. describe( 'integration test', () => {
  106. let viewDocument, domRoot, observer;
  107. beforeEach( () => {
  108. domRoot = document.createElement( 'div' );
  109. document.body.appendChild( domRoot );
  110. view = new View();
  111. viewDocument = view.document;
  112. createViewRoot( viewDocument );
  113. view.attachDomRoot( domRoot );
  114. observer = view.getObserver( FocusObserver );
  115. } );
  116. it( 'should always render document after selectionChange event', done => {
  117. const selectionChangeSpy = sinon.spy();
  118. const renderSpy = sinon.spy();
  119. setData( view, '<div contenteditable="true">foo bar</div>' );
  120. view.render();
  121. viewDocument.on( 'selectionChange', selectionChangeSpy );
  122. view.on( 'render', renderSpy );
  123. view.on( 'render', () => {
  124. sinon.assert.callOrder( selectionChangeSpy, renderSpy );
  125. done();
  126. } );
  127. // Mock selectionchange event after focus event. Render called by focus observer should be fired after
  128. // async selection change.
  129. viewDocument.fire( 'focus' );
  130. viewDocument.fire( 'selectionChange' );
  131. } );
  132. it( 'should render without selectionChange event', done => {
  133. const selectionChangeSpy = sinon.spy();
  134. const renderSpy = sinon.spy();
  135. setData( view, '<div contenteditable="true">foo bar</div>' );
  136. view.render();
  137. const domEditable = domRoot.childNodes[ 0 ];
  138. viewDocument.on( 'selectionChange', selectionChangeSpy );
  139. view.on( 'render', renderSpy );
  140. view.on( 'render', () => {
  141. sinon.assert.notCalled( selectionChangeSpy );
  142. sinon.assert.called( renderSpy );
  143. done();
  144. } );
  145. observer.onDomEvent( { type: 'focus', target: domEditable } );
  146. } );
  147. } );
  148. } );